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For the Inventor, By the Inventor

Cerritos, CA, United States of America

James Michio Nagashima

This inventor holds 59 USPTO granted patents and 1 published patent application, primarily in Power Electronics (CPC class B60L). Top assignees: Gm Global Technolgoy Operations, Inc., Flex Power Control, Inc., Ut-Battelle, Inc.. Active years: 2001-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James Michio Nagashima. Retrieved from https://idiyas.com/inventor/james-michio-nagashima

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 59 

% Patents Active = 57.6

Average Co-Inventor Count = 3.7

ph-index = 19

Forward Citations = 1,103(Granted Patents)

Forward Citations (Not Self Cited) = 1,062(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:

goldMedal53 out of 31,934 
 
Gm Global Technolgoy Operations, Inc.
 patents
silverMedal3 out of 4 
 
Flex Power Control, Inc.
 patents
bronzeMedal1 out of 1,681 
 
Ut-Battelle, Inc.
 patents
4. 2 out of 834,513 
Other
 patents

Years Active: 2001-2021

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Areas of Expertise:
Double-Ended Inverter
Power Management
Motor Control
Thermal Management
AC-DC Conversion
Hybrid Vehicles
Permanent Magnet Motors
Voltage Source Inverter
Energy Sources
Automobile Systems
Electric Motors
Control Circuitry
59 patents (USPTO):Explore Patents
1. 10926649 - Method to reduce losses in a high voltage DC link converter (2021-02-23),
2. 10355611 - Multi-functional power management system (2019-07-16),
3. 9960698 - Reliable AC-DC power converter with high voltage DC link (2018-05-01),
4. 8400775 - Capacitor with direct DC connection to substrate (2013-03-19),
5. 8212505 - Method and system for creating a vibration in an automobile (2012-07-03),
6. 8193747 - Methods, systems and apparatus for controlling operation of two alternating current (AC) machines (2012-06-05),
7. 8139371 - Power electronics devices with integrated control circuitry (2012-03-20),
8. 8122985 - Double-ended inverter drive system for a fuel cell vehicle and related operating method (2012-02-28),
9. 8115430 - Methods, systems and apparatus for controlling operation of two alternating current (AC) machines (2012-02-14),
10. 8102142 - Double ended inverter system for a vehicle having two energy sources that exhibit different operating characteristics (2012-01-24),
11. 8058830 - Charging energy sources with a rectifier using double-ended inverter system (2011-11-15),
12. 8054032 - Discontinuous pulse width modulation for double-ended inverter system (2011-11-08),
13. 8053920 - Compact terminal assembly for power converters (2011-11-08),
14. 8026691 - Double ended inverter system with a cross-linked ultracapacitor network (2011-09-27),
15. 8002056 - Double-ended inverter system with isolated neutral topology (2011-08-23),

Title: James Michio Nagashima: Pioneering Inventor from Cerritos, CA

Introduction: James Michio Nagashima is a renowned inventor hailing from Cerritos, California. His innovative spirit and dedication to technological advancements have made him a prominent figure in the world of inventions.

Latest Patents: James Michio Nagashima holds several patents in the field of electronics and renewable energy, with his most recent patent focusing on solar energy storage solutions.

Career Highlights: Throughout his illustrious career, Nagashima has worked with leading tech companies to develop cutting-edge technologies. His contributions to the field of renewable energy have been particularly noteworthy, earning him recognition as a pioneer in the industry.

Collaborations: Nagashima has collaborated with top researchers and engineers from around the globe to bring his inventions to life. His ability to work effectively in multidisciplinary teams has led to the successful implementation of groundbreaking technologies.

Conclusion: James Michio Nagashima's passion for innovation and his relentless pursuit of technological advancement continue to inspire inventors and researchers worldwide. His impact on the field of renewable energy and electronics is truly remarkable.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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